added check_uptime

plugins/Makefile.am

@@ -28,7 +28,7 @@ MATHLIBS = @MATHLIBS@
 libexec_PROGRAMS = check_apt check_cluster check_disk check_dummy check_http check_load \
 	check_mrtg check_mrtgtraf check_ntp check_ntp_peer check_nwstat check_overcr check_ping \
 	check_real check_smtp check_ssh check_tcp check_time check_ntp_time \
-	check_ups check_users negate \
+	check_ups check_users check_uptime negate \
 	urlize @EXTRAS@
 
 check_tcp_programs = check_ftp check_imap check_nntp check_pop \
@@ -69,7 +69,7 @@ test-debug:
 check_apt_LDADD = $(BASEOBJS)
 check_cluster_LDADD = $(BASEOBJS)
 check_dbi_LDADD = $(NETLIBS) $(DBILIBS)
-check_dig_LDADD = $(NETLIBS) $(MATHLIBS)
+check_dig_LDADD = $(NETLIBS)
 check_disk_LDADD = $(BASEOBJS)
 check_dns_LDADD = $(NETLIBS)
 check_dummy_LDADD = $(BASEOBJS)
@@ -107,6 +107,7 @@ check_time_LDADD = $(NETLIBS)
 check_ntp_time_LDADD = $(NETLIBS) $(MATHLIBS)
 check_ups_LDADD = $(NETLIBS)
 check_users_LDADD = $(BASEOBJS)
+check_uptime_LDADD = $(BASEOBJS) -lrt
 check_by_ssh_LDADD = $(NETLIBS)
 check_ide_smart_LDADD = $(BASEOBJS)
 negate_LDADD = $(BASEOBJS)

plugins/check_uptime.c

@@ -0,0 +1,230 @@
+/*********************************************************************************
+*
+* Nagios check_gearmand plugin
+*
+* License: GPL
+* Copyright (c) 2013-2014 Nagios Plugin Development Team
+*
+* Description:
+*
+* This file contains the check_gearmand plugin
+*
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+*********************************************************************************/
+
+#include "common.h"
+#include "utils.h"
+#include "utils_base.h"
+#include <time.h>
+
+char *progname = "check_uptime";
+char *version = "1.0";
+char *email = "devel@nagios-plugins.org";
+char *copyright = "2014";
+char *developer = "Andy Brist";
+
+static int process_arguments (int, char **);
+void print_help (void);
+void print_usage (void);
+int verbose = 0;
+
+char *warning, *critical, *timeunit;
+thresholds *my_thresholds = NULL;
+
+int main (int argc, char **argv) {
+
+	// base values
+	int status, intvalue;
+	int upminutes, uphours, updays;
+	double value, uptime;
+	char* perf;
+	char* output_message;
+
+	/* Parse extra opts if any */
+	argv = np_extra_opts (&argc, argv, progname);
+
+	if (process_arguments (argc, argv) == ERROR)
+		usage4 (_("Could not parse arguments"));
+
+	value = getuptime();
+	if (verbose >= 3) {
+		printf("Uptime in seconds returned from timespec struct: %f\n", value);
+	}
+	intvalue = (int)value;
+	
+	updays = intvalue / 86400;
+	uphours = (intvalue % 86400) / 3600;
+	upminutes = ((intvalue % 86400) % 3600) / 60;
+
+	if (!strncmp(timeunit, "minutes", strlen("minutes"))) {
+		uptime = intvalue / 60;
+	} else if (!strncmp(timeunit, "hours", strlen("hours"))) {
+		uptime = intvalue / 3600;
+	} else if (!strncmp(timeunit, "days", strlen("days"))) {
+		uptime = intvalue / 86400;
+	} else {
+		uptime = intvalue;
+	}	
+	
+	xasprintf(&output_message,_("%u day(s) %u hour(s) %u minute(s)"), updays, uphours, upminutes);
+	
+	xasprintf(&perf,_("%s"), 
+	 fperfdata("uptime", uptime, "",
+	 my_thresholds->warning?TRUE:FALSE, my_thresholds->warning?my_thresholds->warning->end:0,
+	 my_thresholds->critical?TRUE:FALSE, my_thresholds->critical?my_thresholds->critical->end:0,
+	 FALSE, 0,
+	 FALSE, 0)
+	);
+	
+	status = get_status(uptime, my_thresholds);
+	
+	if (status == STATE_OK) {
+		printf("Uptime %s: %s | %s\n", _("OK"), output_message, perf);
+	} else if (status == STATE_WARNING) {
+		printf("Uptime %s: %s | %s\n", _("WARNING"), output_message, perf);
+	} else if (status == STATE_CRITICAL) {
+		printf("Uptime %s: %s | %s\n", _("CRITICAL"), output_message, perf);
+	}
+
+	return status;
+
+} // end main
+
+#ifdef HAVE_CLOCK_GETTIME
+int getuptime () {
+
+	struct timespec t;
+	clock_gettime(CLOCK_MONOTONIC, &t);
+	if (t.tv_sec > 0) {
+		return t.tv_sec;
+	} else {
+		printf("Uptime UNKNOWN: Timespec struct failed to retrieve uptime\n");
+		exit (STATE_UNKNOWN); 
+	}
+
+} // end getuptime
+#endif
+
+static int process_arguments (int argc, char **argv) {
+
+	int c;
+        int escape = 0;
+        char *temp;
+	
+        int option = 0;
+        static struct option longopts[] = {
+                {"critical", required_argument, 0, 'c'},
+                {"warning", required_argument, 0, 'w'},
+                {"timeunit", required_argument, 0, 'u'},
+                {"verbose", no_argument, 0, 'v'},
+                {"version", no_argument, 0, 'V'},
+                {"help", no_argument, 0, 'h'},
+                {0, 0, 0, 0}
+        };
+
+	while ( 1 ) {
+
+		c = getopt_long ( argc, argv, "+hvVu:c:w:", longopts, &option );
+
+		if ( c == -1 || c == EOF || c == 1 ) break;
+	
+		switch ( c ) {
+			case '?':
+				usage5 ();
+			case 'h':
+				print_help ();
+				exit ( STATE_OK );
+			case 'v':
+				verbose++;
+				if (verbose >= 3) {
+					printf("Verbose mode enabled\n");
+				}
+				break;
+    			case 'V':
+      				print_revision (progname, NP_VERSION);
+      				exit (STATE_OK);
+			case 'u':
+				timeunit = optarg;
+				break;
+			case 'c':
+				critical = optarg;
+				break;
+			case 'w':
+				warning = optarg;
+				break;
+			} // end case
+		} // end while
+
+	c = optind;
+	set_thresholds(&my_thresholds, warning, critical);
+	return validate_arguments ();
+
+} // end process_arguments
+
+int validate_arguments (void) {
+
+	if (timeunit == NULL) {
+		timeunit = "minutes";
+		if (verbose >= 3) {
+			printf("No unit of time measurement specified. Using default: \"minutes\"\n");
+		}
+	} else if (strncmp(timeunit, "seconds", strlen("seconds") + 1 ) && 
+		strncmp(timeunit, "minutes", strlen("minutes") + 1) && 
+		strncmp(timeunit, "hours", strlen("hours") + 1) && 
+		strncmp(timeunit, "days", strlen("days") + 1)) {
+		
+		if (verbose >= 3) {
+			printf("Invalid unit of time measurement specified: \"%s\"\n", timeunit);
+		}
+		usage4(_("Wrong -u argument, expected: seconds, minutes, hours, or days"));
+	} else if (verbose >= 3) {
+		printf("Specified unit of time measurement accepted: \"%s\"\n", timeunit);
+	}
+	return OK;
+
+} //end validate
+
+void print_usage (void) {
+	
+	printf( "%s\n", _("Usage:") );
+	printf( "%s", _("check_uptime ") );
+	printf( "%s\n", _("[-u uom] [-w threshold] [-c threshold] [-h] [-v] [-V]") );
+
+} // end usage
+
+void print_help (void) {
+
+	print_revision ( progname, NP_VERSION );
+
+	printf ( COPYRIGHT, copyright, developer, email );
+	printf ( "%s\n", _("This plugin checks the system uptime and alerts if less than the threshold.") );
+	printf ( "%s\n", _("Threshold unit of measurement specified with \"-u\".") );
+	printf ( "%s\n", _("\"-u\" switch supports: seconds|minutes|hours|days.") );
+
+	print_usage ();
+	printf ( UT_HELP_VRSN );
+	printf ( UT_EXTRA_OPTS );
+
+        printf ( "%s\n", _("-t, Connection timeout, default 10 seconds") );
+        printf ( "%s\n", _("-c, Critcal threshold") );
+	printf ( "%s\n", _("-w, Warning threshold") );
+	printf ( "%s\n", _("-u, Time unit of measurement (seconds|minutes|hours|days) (default: minutes)") );
+        printf ( "%s\n", _("-v, Enable verbose output") );
+        printf ( "%s\n", _("-h, Print help and usage") );
+
+       printf ( UT_SUPPORT );
+
+} // end print_help